From 94d5ffab9d5ebc9caeab310f9d2eb36a65d7d3a9 Mon Sep 17 00:00:00 2001 From: Dmitry Baryshkov Date: Sat, 7 Sep 2024 15:51:25 +0300 Subject: [PATCH] arm64: dts: qcom: sc7280: don't enable GPU on unsupported devices On SC7280 and derivative platforms GPU by default requires a signed binary, a660_zap.mbn. Disable GPU by default and enable it only when the binary is actually available (QCM6490-IDP, RB3gen2). ChromeOS devices do not use TrustZone, so GPU can be enabled by default in sc7280-chrome-common.dtsi. FairPhone5 and SHIFTphone8 DTS already enable GPU (even though it wasn't required beforehand). Signed-off-by: Dmitry Baryshkov Reviewed-by: Konrad Dybcio Link: https://lore.kernel.org/r/20240907-rb3g2-fixes-v1-2-eb9da98e9f80@linaro.org Signed-off-by: Bjorn Andersson --- arch/arm64/boot/dts/qcom/qcm6490-idp.dts | 8 ++++++++ arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts | 8 ++++++++ arch/arm64/boot/dts/qcom/sc7280-chrome-common.dtsi | 4 ++++ arch/arm64/boot/dts/qcom/sc7280.dtsi | 2 ++ 4 files changed, 22 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/qcm6490-idp.dts b/arch/arm64/boot/dts/qcom/qcm6490-idp.dts index 84c45419cb8d..c4cfafb3ec15 100644 --- a/arch/arm64/boot/dts/qcom/qcm6490-idp.dts +++ b/arch/arm64/boot/dts/qcom/qcm6490-idp.dts @@ -499,6 +499,14 @@ }; }; +&gpu { + status = "okay"; +}; + +&gpu_zap_shader { + firmware-name = "qcom/qcm6490/a660_zap.mbn"; +}; + &mdss { status = "okay"; }; diff --git a/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts b/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts index 5d0167fbc709..00b755779608 100644 --- a/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts +++ b/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts @@ -557,6 +557,14 @@ status = "okay"; }; +&gpu { + status = "okay"; +}; + +&gpu_zap_shader { + firmware-name = "qcom/qcs6490/a660_zap.mbn"; +}; + &i2c0 { clock-frequency = <400000>; status = "okay"; diff --git a/arch/arm64/boot/dts/qcom/sc7280-chrome-common.dtsi b/arch/arm64/boot/dts/qcom/sc7280-chrome-common.dtsi index cecb3e89f7f7..eb5e32035d93 100644 --- a/arch/arm64/boot/dts/qcom/sc7280-chrome-common.dtsi +++ b/arch/arm64/boot/dts/qcom/sc7280-chrome-common.dtsi @@ -56,6 +56,10 @@ domain-idle-states = <&CLUSTER_SLEEP_0>; }; +&gpu { + status = "okay"; +}; + &lpass_aon { status = "okay"; }; diff --git a/arch/arm64/boot/dts/qcom/sc7280.dtsi b/arch/arm64/boot/dts/qcom/sc7280.dtsi index 3d8410683402..fbdc9c19242c 100644 --- a/arch/arm64/boot/dts/qcom/sc7280.dtsi +++ b/arch/arm64/boot/dts/qcom/sc7280.dtsi @@ -2823,6 +2823,8 @@ nvmem-cells = <&gpu_speed_bin>; nvmem-cell-names = "speed_bin"; + status = "disabled"; + gpu_zap_shader: zap-shader { memory-region = <&gpu_zap_mem>; }; -- 2.50.1